Family name Moiseyuk (Moiseyuk 
, Мойсеюк 
) , in the entire world, is a rare surname. The surname Moiseyuk is characteristic of Belarus, where it is quite a rare surname, Ukraine, where it is a rare surname, and Kazakhstan, where it is a very rare surname. Measured by absolute frequency, it is commonest in Eastern Europe, particularly Ukraine, Belarus, and Russia.
| VARIANT | COUNTRY |
|---|---|
| Moiseyuk | Belarus, Russia |
| Мойсеюк | Belarus, Russia, Kazakhstan, Ukraine |